Quantitative Models and Construction Methods 1. Model Name: PB-ROE-50 Combination - **Model Construction Idea**: This model aims to capture excess returns by selecting stocks based on their Price-to-Book (PB) ratio and Return on Equity (ROE), focusing on stocks with favorable valuation and profitability metrics[24][25] - **Model Construction Process**: - Stocks are filtered based on their PB and ROE metrics - The portfolio is rebalanced periodically to maintain alignment with the PB-ROE strategy - The model is applied across different stock pools, including CSI 500, CSI 800, and the entire market[24][25] - **Model Evaluation**: The model demonstrates significant excess returns in the CSI 800 and full-market stock pools, indicating its effectiveness in capturing valuation and profitability-driven opportunities[24][25] 2. Model Name: Block Trade Combination - **Model Construction Idea**: This model leverages the "high transaction, low volatility" principle to identify stocks with favorable post-trade performance based on block trade characteristics[31] - **Model Construction Process**: - Stocks are selected based on two key metrics: "block trade transaction amount ratio" and "6-day transaction amount volatility" - Stocks with higher transaction ratios and lower volatility are included in the portfolio - The portfolio is rebalanced monthly to reflect updated metrics[31] - **Model Evaluation**: The model effectively captures the information embedded in block trades, delivering consistent excess returns relative to the benchmark[31] 3. Model Name: Private Placement Combination - **Model Construction Idea**: This model focuses on the event-driven opportunities surrounding private placements, considering factors such as market value, rebalancing cycles, and position control[37] - **Model Construction Process**: - Stocks involved in private placements are identified using the shareholder meeting announcement date as the event trigger - The portfolio is constructed by integrating market value considerations and rebalancing strategies - Position control mechanisms are applied to manage risk exposure[37] - **Model Evaluation**: The model's performance is sensitive to market conditions, with occasional drawdowns observed during adverse market phases[37] --- Model Backtesting Results 1. PB-ROE-50 Combination - CSI 500: Weekly excess return of -0.44%, absolute return of 3.42%[25] - CSI 800: Weekly excess return of 1.12%, absolute return of 3.92%[25] - Full Market: Weekly excess return of 1.23%, absolute return of 4.18%[25] 2. Block Trade Combination - Weekly excess return of 1.69%, absolute return of 4.65%[32] 3. Private Placement Combination - Weekly excess return of -3.21%, absolute return of -0.39%[38] --- Quantitative Factors and Construction Methods 1. Factor Name: Beta Factor - **Factor Construction Idea**: Measures the sensitivity of a stock's returns to market movements, capturing systematic risk exposure[20] - **Factor Construction Process**: - Beta is calculated using regression analysis of stock returns against market returns over a specified period - Stocks with higher beta values are expected to exhibit greater volatility relative to the market[20] - **Factor Evaluation**: The beta factor delivered a weekly return of 1.35%, indicating a positive contribution to portfolio performance during the observed period[20] 2. Factor Name: Scale Factor - **Factor Construction Idea**: Focuses on the size effect, where smaller-cap stocks tend to outperform larger-cap stocks over time[20] - **Factor Construction Process**: - Stocks are ranked based on their market capitalization - Smaller-cap stocks are given higher weights in the portfolio[20] - **Factor Evaluation**: The scale factor achieved a weekly return of 1.34%, reflecting the market's preference for larger-cap stocks during the observed period[20] 3. Factor Name: BP Factor (Book-to-Price) - **Factor Construction Idea**: Captures valuation opportunities by focusing on stocks with high book-to-price ratios[20] - **Factor Construction Process**: - The book-to-price ratio is calculated as the book value per share divided by the stock price - Stocks with higher BP ratios are included in the portfolio[20] - **Factor Evaluation**: The BP factor recorded a weekly return of -0.16%, indicating underperformance during the observed period[20] 4. Factor Name: Leverage Factor - **Factor Construction Idea**: Measures the financial leverage of a company, with higher leverage potentially indicating higher risk and return[20] - **Factor Construction Process**: - Leverage is calculated as the ratio of total debt to equity - Stocks with higher leverage ratios are included in the portfolio[20] - **Factor Evaluation**: The leverage factor delivered a weekly return of -0.34%, reflecting its sensitivity to market conditions[20] --- Factor Backtesting Results 1. Beta Factor - Weekly return: 1.35%[20] 2. Scale Factor - Weekly return: 1.34%[20] 3. BP Factor - Weekly return: -0.16%[20] 4. Leverage Factor - Weekly return: -0.34%[20]

中国经济网北京8月15日讯昨日，上海光大证券资产管理有限公司发布关于上海光大证券资产管理有限 公司旗下产品估值调整的公告。 根据《中国证券监督管理委员会关于证券投资基金估值业务的指导意见》(证监会公告[2017]13号)的要 求，经与托管人协商一致，自2025年8月13日起，上海光大证券资产管理有限公司(以下简称"本公司") 对旗下资产管理计划持有的"诺辉健康(证券代码：6606.HK)"按照0.01港元/股进行估值。 ...

Group 1 - The core viewpoint highlights a strong performance in the securities sector, with the Guozheng Securities Leading Index rising by 3.80% and several constituent stocks, such as Tianfeng Securities and Dongfang Caifu, showing significant gains [1] - Multiple listed securities firms have reported impressive financial results, with 31 firms disclosing mid-year performance forecasts, all indicating profit growth or turnaround, particularly Guolian Minsheng and Huaxi Securities with net profit growth rates of 1183% and 1025%-1354% respectively [1] - The market's high activity level is maintained, with trading volumes recovering and major market indices reaching new highs, which has fueled enthusiasm for the securities sector [1] Group 2 - The Guozheng Securities Leading Index closely tracks the performance of quality listed companies in the securities theme within the Shanghai and Shenzhen markets, providing investors with diversified index investment tools [2] - As of July 31, 2025, the top ten weighted stocks in the Guozheng Securities Leading Index account for 78.84% of the index, including major firms like CITIC Securities and Dongfang Caifu [2]

Group 1 - The Guozheng Securities Leading Index (399437) experienced a strong increase of 3.37% as of August 15, 2025, with constituent stocks such as Tianfeng Securities (601162) rising by 9.92% and Dongfang Caifu (300059) by 6.73% [1] - The market showed a rebound in early trading, with the ChiNext Index leading the gains, while the total trading volume in the Shanghai and Shenzhen markets reached 1.31 trillion yuan, a decrease of 103.8 billion yuan compared to the previous trading day [1] - Margin trading balances have reached new highs, indicating a recovery in various brokerage business segments, including wealth management and proprietary investment [1] Group 2 - As of July 31, 2025, the top ten weighted stocks in the Guozheng Securities Leading Index accounted for 78.84% of the index, with major companies including CITIC Securities (600030) and Huatai Securities (601688) [2] - The investment banking and asset management sectors are showing signs of recovery, with the IPO fundraising scale in July reaching 24.2 billion yuan, a year-on-year increase of 164% [1][2] - The total management scale of brokerage firms and their asset management subsidiaries reached 5.52 trillion yuan in the second quarter, reflecting a year-on-year growth of 3.82% [1]

香港交易及結算所有限公司及香港聯合交易所有限公司對本公告的內容概不負責，對其準確性 或完整性亦不發表任何聲明，並明確表示，概不對因本公告全部或任何部份內容而產生或因倚 賴該等內容而引致的任何損失承擔任何責任。 承董事會命 光大證券股份有限公司 董事長 光大證券股份有限公司 Everbright Securities Company Limited （於中華人民共和國註冊成立的股份有限公司） （股份代號：6178） 董事會會議召開日期 光大證券股份有限公司（「本公司」）董事會（「董事會」）謹此宣佈，董事會將於 2025年8月28日（星期四）舉行董事會會議，藉以審議及批准本公司及其附屬公司 截至2025年6月30日止六個月未經審計的中期業績、考慮派發中期股息（如有） 及╱或其他議題（如適用）。 趙陵 中國上海 2025年8月14日 於本公告日期，本公司董事會成員包括趙陵先生（董事長、執行董事）、劉秋明 先生（執行董事、總裁）、馬韌韜女士（非執行董事）、連涯鄰先生（非執行董事）、 潘劍雲先生（非執行董事）、尹岩武先生（非執行董事）、秦小徵先生（非執行董 事）、任永平先生（獨立非執行董事）、殷俊明先生（獨立非執行董事 ...

诚达药业首次公开发行股票的发行费用总额为13,576.31万元，其中，保荐承销费用11,792.90万元。 2023年7月3日，诚达药业发布2022年度权益分派实施公告。公司2022年年度权益分派方案为：以公司现 有总股本96,696,140股为基数，向全体股东每10股派3.000000元人民币现金，同时，以资本公积金向全 体股东每10股转增6.000000股。本次权益分派股权登记日为2023年7月6日，除权除息日为2023年7月7 日。 诚达药业首次公开发行股票募集资金总额为175,721.06万元，扣除发行费用后募集资金净额162,144.75万 元。诚达药业实际募资净额比原拟募集资金多110,816.71万元。诚达药业于2022年1月14日披露的招股说 明书显示，该公司原拟募集资金51,328.04万元，分别用于"医药中间体项目、原料药项目及研发中心扩 建项目"和"补充流动资金"。 中国经济网北京8月14日讯诚达药业（301201）(301201.SZ)今日股价下跌，截至收盘报27.34元，跌幅 5.50%，该股目前处于破发状态。 诚达药业于2022年1月20日在深交所创业板上市，公开发行新股2,417 ...

Core Viewpoint - Everbright Securities (06178.HK) will hold a board meeting on August 28, 2025, to review and approve the group's interim results for the six months ending June 30, 2025, and to consider the proposal for an interim dividend distribution if applicable [1] Group 1 - The board meeting is scheduled for August 28, 2025 [1] - The meeting will focus on the interim results for the six months ending June 30, 2025 [1] - The proposal for an interim dividend distribution will be reviewed during the meeting [1]

Group 1 - The company Shanghai Everbright Securities Asset Management Co., Ltd. will value its asset management plans holding "Nohow Health (stock code: 6606.HK)" at HKD 0.01 per share starting from August 13, 2025 [1] - The company will closely monitor the subsequent operational status and other significant matters related to the stock for reasonable assessment [1] - The valuation method will revert to using the closing price of the day once the stock demonstrates active market trading characteristics, without further announcements [1]

香港交易及結算所有限公司及香港聯合交易所有限公司對本公告的內容概不負責，對其準確性 或完整性亦不發表任何聲明，並明確表示，概不對因本公告全部或任何部份內容而產生或因倚 賴該等內容而引致的任何損失承擔任何責任。 光大證券股份有限公司（「本公司」）董事會（「董事會」）謹此宣佈，董事會將於 2025年8月28日（星期四）舉行董事會會議，藉以審議及批准本公司及其附屬公司 截至2025年6月30日止六個月未經審計的中期業績、考慮派發中期股息（如有） 及╱或其他議題（如適用）。 承董事會命 光大證券股份有限公司 董事長 趙陵 中國上海 2025年8月14日 （於中華人民共和國註冊成立的股份有限公司） （股份代號：6178） 董事會會議召開日期 光大證券股份有限公司 Everbright Securities Company Limited 於本公告日期，本公司董事會成員包括趙陵先生（董事長、執行董事）、劉秋明 先生（執行董事、總裁）、馬韌韜女士（非執行董事）、連涯鄰先生（非執行董事）、 潘劍雲先生（非執行董事）、尹岩武先生（非執行董事）、秦小徵先生（非執行董 事）、任永平先生（獨立非執行董事）、殷俊明先生（獨立非執行董事 ...

Core Viewpoint - The Shanxi Provincial Finance Department held a meeting to recognize outstanding underwriting institutions for government bonds in 2024, emphasizing the importance of financial support for the local economy and the need for enhanced collaboration between finance and fiscal sectors [1][2]. Group 1: Meeting Highlights - The meeting included participation from 10 banks and 6 securities companies, which were awarded for their contributions to the bond issuance process [1]. - The Finance Department expressed gratitude to the institutions for their efforts in supporting Shanxi's fiscal initiatives and the broader economy [1]. Group 2: Key Requirements - The first requirement is to enhance the market-oriented level of bond issuance, encouraging healthy competition in the primary market and expanding trading scenarios in the secondary market [1]. - The second requirement focuses on deepening cooperation, utilizing local bonds as a bridge to foster collaboration between fiscal and financial sectors, and optimizing service levels [2]. - The third requirement aims to promote investment and stabilize growth through effective financial services and support for key transformation projects, contributing to the high-quality development of Shanxi [2].